Tidekeeper CLI 2026.5.17.4

Tidekeeper CLI 2026.5.17.4

Highlights

• Adds SECURITY.md, CONTRIBUTING.md, and CHANGELOG.md for clearer project maintenance.
• Links the new project docs from the README.
• Restricts local token file permissions to owner-only on POSIX systems.
• Improves parsing for TIDAL share URLs with query strings, fragments, and nested paths.
• Adds regression coverage for URL parsing and token file permissions.

Verification

• Tag CI passed for Python 3.10, 3.11, 3.12, and 3.13.
• Release binaries were rebuilt by GitHub Actions for Linux x64, macOS arm64, and Windows x64.